| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.96 | 1.05 | -0.09 |
| Feb | 0.89 | 0.97 | -0.08 |
| Mar | 1.41 | 1.44 | -0.03 |
| Apr | 2.46 | 2.54 | -0.08 |
| May | 3.19 | 3.17 | 0.02 |
| Jun | 4.29 | 4.18 | 0.11 |
| Jul | 3.96 | 3.77 | 0.19 |
| Aug | 3.57 | 3.71 | -0.14 |
| Sep | 3.24 | 3.36 | -0.12 |
| Oct | 2.93 | 2.98 | -0.05 |
| Nov | 1.76 | 1.92 | -0.16 |
| Dec | 1.32 | 1.36 | -0.04 |
29.98 | 30.45 | -0.47 |